package com.banch.cloudalibaba.sentinel.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.banch.cloud.common.entity.Payment;
import com.banch.cloud.common.vo.CommonResult;
import com.banch.cloudalibaba.sentinel.handler.CustomerBlockHandler;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author banch
 * @version 1.0
 * @date 2020/7/29
 */
@RestController
public class RateLimitController {

    @GetMapping("/byResource")
    @SentinelResource(value = "byResource", blockHandler = "handleException")
    public CommonResult byResource() {
        return new CommonResult(200, "按资源名称限流测试OK", new Payment(2020L, "serial001"));

    }


    /**
     * 兜底方法
     *
     * @param
     * @return
     * @author banch
     * @date 2020/7/29
     * @throw
     **/
    public CommonResult handleException(BlockException exception) {
        return new CommonResult(444, exception.getClass().getCanonicalName() + "\t 服务不可用", null);
    }


    @GetMapping("/rateLimit/byUrl")
    @SentinelResource(value = "byUrl")
    public CommonResult byUrl() {
        return new CommonResult(200, "按url限流测试OK", new Payment(2020L, "serial002"));
    }


    @GetMapping("/rateLimit/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,
            blockHandler = "handlerException2")
    public CommonResult customerBlockHandler() {
        return new CommonResult(200, "按客戶自定义", new Payment(2020L, "serial003"));
    }

}